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23260390 = 2567149233
BaseRepresentation
bin101100010111…
…0110011100110
31121202202020221
41120232303212
521423313030
62150314554
7401465356
oct130566346
947682227
1023260390
111214796a
127958a5a
134a8545a
143136b66
152096e7a
hex162ece6

23260390 has 32 divisors (see below), whose sum is σ = 42962400. Its totient is φ = 9064704.

The previous prime is 23260361. The next prime is 23260397. The reversal of 23260390 is 9306232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23260397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99714 + ... + 99946.

It is an arithmetic number, because the mean of its divisors is an integer number (1342575).

Almost surely, 223260390 is an apocalyptic number.

23260390 is a deficient number, since it is larger than the sum of its proper divisors (19702010).

23260390 is a wasteful number, since it uses less digits than its factorization.

23260390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 23260390 is about 4822.9026529674. The cubic root of 23260390 is about 285.4558826775.

The spelling of 23260390 in words is "twenty-three million, two hundred sixty thousand, three hundred ninety".

Divisors: 1 2 5 10 67 134 149 233 298 335 466 670 745 1165 1490 2330 9983 15611 19966 31222 34717 49915 69434 78055 99830 156110 173585 347170 2326039 4652078 11630195 23260390